We really love this: Built Manhattan, a blog launched at the start of this year, has the mission of featuring one piece of the borough's built environment every year since the city's founding, wherever possible. It's the idea of Michael Daddino, who does the photography and writes the engaging commentary. Pictured is the First Shearith Israel Graveyard from 1683, which rests, in a limited supply of peace, at 55-57 St. James Place.

Want to keeps tabs on your City Council member? Gotham Gazette has made it much easier to do that, with their newly launched Councilpedia, which lets you know exactly who's contributing to their campaigns and how much.

A guide to history, art, and architecture, courtesy of CultureNOW's Museum Without Walls project. Their online database has 4500 entries and over 200 podcasts. The iPhone app has self-guided tours and podcasts, giving you smart takes on the city's public and architecture. It's like having Philippe de Montebello in your pocket, only less cumbersome.

Members of the Bindlestiff Family Cirkus and friends have thrown down the challenge: they will cross NY's 2,078 bridges and they will do it on a unicycle as part of the Unicycle NYC Bridge Tour. And yes, they count 2,078 bridges.

Next month is the centennial of the Triangle Waist Company fire, the West Village tragedy in which young immigrants, mostly women, were caught in a devastating blaze that began on the 8th floor of a commercial building. The fire, which killed 146 people, helped spur the formation of the international labor movement. Remember the Triangle Fire Coalition commemorates the tragedy.

"Anyone can get a taste of traveling around the world in the one place where the world's nations sit side by side: New York City." Take away the period music and narration, and Around the World in New York, a 13-minute film from the 1940s, begins to seem very familiar.

Question(ny)aire profiles and interviews all kinds of interesting New Yorkers. Addictive!